User guide

TM-428 Page 40 Miller Legend
8-6. Overload Protection
Stop engine.
1 Circuit Breaker CB4 (Internal
– Not Shown)
CB4 protects the unit from over-
load due to an obstructed throttle
solenoid. If CB4 opens, engine
speed drops to power/idle rpm for
about
10 seconds before automati -
cally
resetting.
If CB4 continues to open, check
throttle solenoid TS1 and throttle
linkage.
2 Fuse
F1 (See Parts List For
Rating)
F1 protects the exciter excitation
winding
from overload.
Replace open fuse and reinstall
panel
before operating unit.
If F1 continues to open, check inte -
grated
rectifier SR2 and rotor .
T
ools Needed:
3/8 in
2
ST-152 264-A
Stop engine and allow to cool.
1 Spark Arrestor Screen
Clean and inspect screen. Re-
place
spark arrestor if screen wires
are broken or missing.
8-7. Inspecting And Cleaning Optional Spark Arrestor
Tools Needed:
1/4 in
ST-140 091-E / ST-801 206 / Ref. ST-168 046
1